The energy demand from data centers is expected to double by 2028, according to the Lawrence Berkeley National Laboratory. But the US power grid, full of aging infrastructure, years-long connection queues, and decades of stagnant industrial development, is largely unequipped to handle that demand today. Much of the answer may lie in "off-grid" power, in which data centers get energy directly from their own sources instead of waiting years to be plugged into the grid. And natural gas is positioned to meet ...